Dave's Garden PlantFiles: Genus Penstemon
Index page with links to all species and varieties of penstemon listed in the PlantFiles database of member-provided plant information and photos. |
Kemper: Penstemon digitalis
Plant portrait of foxglove beardtongue with cultural information, photos, and noteworthy characteristics. |
Las Pilitas: California Penstemons
Two pages with pictures, brief descriptions, and cultural requirements of penstemons native to California, for dry-area and moist-area species. |
Paghat's Garden: 'Bashful' Beard-tongue
One of a series of plant portrait pages documenting penstemons in this Pacific Northwest garden. Varieties featured are 'Bashful', 'Prairie Dusk', 'Midnight Blue', 'Ruby', 'Apple Blossom', 'Sour Grapes', and 'Garnet'. |
Penstemania
Based on Penstemon growing and the Western Algarve. |
The Penstemon Website
Enthusiast's collection of links, information (both for gardeners and botanists), and photographs of penstemon species and varieties. |
The Penstemons: Seed Germination Methodology
Two pages in Tom Clothier's extensive plant germination database dedicated exclusively to penstemon species, which are often finnicky and require a wide variety of germination conditions. |
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